Don't have GCC warn about missing initializers.

# Some versions of GCC warn about some versions of Boost regarding
# missing initializer for members in its posix_time.
# https://svn.boost.org/trac/boost/ticket/3477


git-svn-id: svn://bind10.isc.org/svn/bind10/trunk@3835 e5f2f494-b856-4b98-b285-d166d9295462

src/lib/nsas/Makefile.am

@@ -7,6 +7,13 @@ AM_CPPFLAGS += -I$(top_srcdir)/src/lib/nsas -I$(top_builddir)/src/lib/nsas
 AM_CPPFLAGS += $(SQLITE_CFLAGS)
 AM_CXXFLAGS = $(B10_CXXFLAGS)
 
+if USE_GXX
+# Some versions of GCC warn about some versions of Boost regarding
+# missing initializer for members in its posix_time.
+# https://svn.boost.org/trac/boost/ticket/3477
+AM_CXXFLAGS += -Wno-missing-field-initializers
+endif
+
 lib_LTLIBRARIES = libnsas.la
 libnsas_la_SOURCES  = address_entry.h address_entry.cc
 libnsas_la_SOURCES += asiolink.h